Geo-Textual Index Structure for Approximate Keyword Search Within Given Range on Spatial Database

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Provided by: Institute of Research and Journals (IRAJ)
Topic: Data Management
Format: PDF
There is more and more commercial and research interest in nearest neighbor objects for location-based search from spatial database. Spatial keyword search has been well studied for years due to its importance to commercial search engines. Specially, a spatial keyword query takes a user location and user-supplied keywords as arguments and returns objects that is nearest k objects from user current location and textually relevant to the user required keyword. In these systems, inconsistencies and errors can exist in the user's typed queries.
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